cve-2023-34139
Vulnerability from cvelistv5
Published
2023-07-17 17:36
Modified
2024-10-29 16:19
Summary
A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:01:54.148Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "usg_flex_firmware",
            "vendor": "zyxel",
            "versions": [
              {
                "lessThanOrEqual": "5.36_Patch-2",
                "status": "affected",
                "version": "4.50",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:zyxel:vpn_firmware:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "vpn_firmware",
            "vendor": "zyxel",
            "versions": [
              {
                "lessThanOrEqual": "5.36_Patch-2",
                "status": "affected",
                "version": "4.20",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-34139",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-29T16:18:52.786892Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-29T16:19:03.216Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "4.50 through 5.36 Patch 2"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "VPN series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "4.20 through 5.36 Patch 2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2,\u0026nbsp;could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device."
            }
          ],
          "value": "A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2,\u00a0could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-18T01:16:42.677Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2023-34139",
    "datePublished": "2023-07-17T17:36:32.909Z",
    "dateReserved": "2023-05-26T03:44:51.339Z",
    "dateUpdated": "2024-10-29T16:19:03.216Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-34139\",\"sourceIdentifier\":\"security@zyxel.com.tw\",\"published\":\"2023-07-17T18:15:09.607\",\"lastModified\":\"2023-07-26T21:30:22.970\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2,\u00a0could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9},{\"source\":\"security@zyxel.com.tw\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]},{\"source\":\"security@zyxel.com.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"48A4A637-C466-4F24-AAA6-CE57AF2EF1A4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_2200-vpn:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"32F7F370-C585-45FE-A7F7-40BFF13928CF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"0D66CA5F-C85F-4D69-8F82-BDCF6FCB905C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B30A4C0-9928-46AD-9210-C25656FB43FB\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"E5E31FC3-E2EC-4909-BF8D-86775AF4D4B5\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D74ABA7E-AA78-4A13-A64E-C44021591B42\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"D6EF9AA9-65D5-4D7B-A2BF-9150C6339282\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F93B6A06-2951-46D2-A7E1-103D7318D612\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"16DE9EA8-98AB-4EAA-AA98-122F64F8D4D2\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"646C1F07-B553-47B0-953B-DC7DE7FD0F8B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"B221F5CD-C0C6-4917-AC15-FF1BA3904915\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"92C697A5-D1D3-4FF0-9C43-D27B18181958\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"338384D8-1585-4AA7-90FB-E56F641E5A14\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"110A1CA4-0170-4834-8281-0A3E14FC5584\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.50\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"0FA43EB7-3F72-4250-BE9A-7449B8AEF90F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D1396E3-731B-4D05-A3F8-F3ABB80D5C29\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"241523CE-2712-4840-A672-E87564B40DE1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6762B13C-6FD5-49D7-B2D6-4986BAC3D425\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn2s_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"39AE79D4-ABE1-4FAF-9A15-942AF05B6749\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn2s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D3F001A-8790-463F-804B-CA5CAC610867\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"2C429AFE-477E-4243-BAE8-2AB17BB5D9D8\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7C35A94-304B-46FB-BAA0-4E0C4F34BEDD\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"7FC97DF9-7A02-4DA8-AA9F-0D4CE826E224\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn50:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D902D9D2-5215-4A70-9D16-F1C3BA10EE18\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn_100_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"8FD857E4-B5C7-416B-AF9D-9E8A772E227E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn_100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B1B81DDA-DDD5-4D9B-B631-815186E3839F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn_300_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"4894CE6D-BE11-4249-830C-E10141C83D05\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn_300:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"212C5E8E-774A-446E-B7C7-80C349160BC2\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zyxel:zywall_vpn_50_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.37\",\"matchCriteriaId\":\"B5107841-343E-4776-9F84-90C13BBB736E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:zyxel:zywall_vpn_50:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FD872CA4-385D-49A9-B1DF-7C4467BD49AA\"}]}]}],\"references\":[{\"url\":\"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers\",\"source\":\"security@zyxel.com.tw\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.